#639944#639944

#639944 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.6% C 0.130 H 135.5°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#639944
RGB	rgb(99, 153, 68)
HSL	hsl(98, 38%, 43%)
HSV	hsv(98, 56%, 60%)
CMYK	cmyk(35.3%, 0%, 55.6%, 40%)
CIE-LAB	lab(57.90, -33.64, 38.60)
CIE-LCH	lch(57.90, 51.20, 131.07°)
OKLab	oklab(62.56% -0.093 0.0915)
OKLCH	oklch(62.56% 0.13 135.5)
XYZ	xyz(17.5798, 25.8517, 9.5313)
Luminance	0.2585 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639944 #7A4499

analogous

#8D9944 #639944 #44994F

triadic

#639944 #446399 #994463

tetradic

#639944 #448D99 #7A4499 #994F44

square

#639944 #448D99 #7A4499 #994F44

split-complementary

#639944 #4F4499 #99448D

monochromatic

#2C441E #486F31 #639944 #81B961 #A3CC8C

Accessibility & contrast

On white

3.40

#639944 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#639944 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639944

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639944	#FFFFFF	#000000	##000000
##639944	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8E3C

Deuteranopia (green-blind)

#96894A

Tritanopia (blue-blind)

#629486

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #639944;
/* rgb */ color: rgb(99, 153, 68);
/* oklch */ color: oklch(62.6% 0.130 135.5);

Tailwind

colors: {
  custom: {
    50: '#92b77a',
    500: '#639944',
    950: '#000000',
  },
}

SCSS

$custom: #639944;
$custom-light: #92b77a;
$custom-dark: #000000;

JSON

{
  "hex": "#639944",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 68
  },
  "hsl": {
    "h": 98.118,
    "s": 38.462,
    "l": 43.333
  },
  "oklch": {
    "l": 0.62555,
    "c": 0.13042,
    "h": 135.5
  },
  "luminance": 0.25852
}

Semantic roles & 50–950 ramp

primary

#639944

secondary

#A482B7

accent

#59CEA4

background

#F9FBF7

surface

#F1F6EE

border

#CBD0C9

text

#0D1109

muted

#7E807B

Preview Lab

Preview with #639944

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →